Home / 21,029,863,657,874-29,021,189,837,534-11,780,913,063,065

Finding the Fourth Proportional to 21,029,863,657,874, 29,021,189,837,534 and 11,780,913,063,065

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Solution

The fourth proportional to 21,029,863,657,874, 29,021,189,837,534 and 11,780,913,063,065 is: 16,257,647,696,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029,863,657,874 : 29,021,189,837,534 = 11,780,913,063,065 : x
  2. Step 2: Convert to fraction form
    21,029,863,657,874/29,021,189,837,534 = 11,780,913,063,065/x
  3. Step 3: Cross multiply
    21,029,863,657,874x = 29,021,189,837,534 × 11,780,913,063,065
  4. Step 4: Simplify right side
    21,029,863,657,874x = 341,896,114,462,693,514,580,852,736
  5. Step 5: Solve for x
    x = 341,896,114,462,693,514,580,852,736/21,029,863,657,874
  6. Step 6: Final answer
    x = 16,257,647,696,858.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.